20286127 has 6 divisors (see below), whose sum is σ = 20440968. Its totient is φ = 20132424.

The previous prime is 20286107. The next prime is 20286131. The reversal of 20286127 is 72168202.

It is not a de Polignac number, because 20286127 - 2²³ = 11897519 is a prime.

It is a super-3 number, since 3×20286127³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 20286095 and 20286104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20286107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24238 + ... + 25060.

It is an arithmetic number, because the mean of its divisors is an integer number (3406828).

Almost surely, 2^20286127 is an apocalyptic number.

20286127 is a deficient number, since it is larger than the sum of its proper divisors (154841).

20286127 is an frugal number, since it uses more digits than its factorization.

20286127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137 (or 980 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 20286127 is about 4504.0123223633. The cubic root of 20286127 is about 272.7300842707.

The spelling of 20286127 in words is "twenty million, two hundred eighty-six thousand, one hundred twenty-seven".